Peterbilt 379 Parts
At 4 State Trucks, you’ll find everything you need to keep your iconic 379 model running strong and looking sharp. From bumpers and exhausts to fuel tanks, fenders, and chrome trim, we’ve got Peterbilt accessories and parts designed to fit your specific model year (87’ – 07’). Whether it’s a full-body restoration, a small component replacement, or a custom upgrade, our lineup has what you need.
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On SaleLimited Quantity Available
Knock Out Degreaser- 16 Oz
AFTERMARKET
Now: $6.50Was: $13.2316 Ounce Knock Out DegreaserExperience deep cleaning power with the Knock Out Degreaser, specially formulated to dissolve grease, grime, and brake dust on contact. Perfect for tires, wheels, engine...09-1703113- SKU:
- 09-1703113
- Product Type:
- Polishing
- Make:
- Universal Items
- Ready To Ship:
- Yes
Now: $6.50Was: $13.23Qty in Cart: 0Price:Now: $6.50Was: $13.23Subtotal: -
Seats Inc Ultra Leather Seat Cushion Assembly For Legacy Silver Style Seat
SEATS INC
$440.99Ultra Leather Seat Cushion Assembly By Seats IncBring luxury and comfort to your Legacy Silver Style seat with the Seats Inc Ultra Leather Seat Cushion Assembly. Made with high-quality Ultra Leather,...188004MN61- SKU:
- 188004MN61
- Material Options:
- Ultra Leather
- Product Type:
- Seats
- Make:
- Universal Items
$440.99Qty in Cart: 0Price:$440.99Subtotal: -
Twelve Gauge New Generation Air Ride Air Bag
TWELVE GAUGE
$263.00Replacement New Generation Air Ride Air Bag By Twelve GaugeExperience advanced ride comfort with the Twelve Gauge New Generation Air Ride Air Bag, engineered for new air ride suspension systems. This...29-051000028- SKU:
- 29-051000028
- Product Type:
- Frame & Chassis
- Make:
- Universal Items
- Ready To Ship:
- Yes
$263.00Qty in Cart: 0Price:$263.00Subtotal: -
Piston Skull Shift Knob With 1/2 Inch - 13 Thread Adapter
TWISTED SHIFTERZ
$93.992.5 X 3.75 X 3 Inch Piston Skull Shift KnobAdd personality and performance to your truck with the Piston Skull Shift Knob. Crafted for durability and style, this high-quality knob features a unique...09-1513205- SKU:
- 09-1513205
- Length Options:
- 3 Inch
- Height Options:
- 3 1/2 Inch
- Product Type:
- Interior
- Width Options:
- 2 1/2 Inch
- Make:
- Universal Items
$93.99Qty in Cart: 0Price:$93.99Subtotal: -
Black Poly Single Axle Fender W/ Underside Ribs For 22 - 24 Inch Wheel Size
TRAMEC SLOAN
$421.99Poly Single Axle Fender Black W/ Underside RibsThe Black Poly Single Axle Fender for 22-24 Inch Wheels delivers high-strength protection and corrosion-free performance for your trailer's stationary...09-110500497- SKU:
- 09-110500497
- Color:
- Black
- Material Options:
- Plastic/Poly
- Product Type:
- Exterior
- Make:
- Universal Items
$421.99Qty in Cart: 0Price:$421.99Subtotal: -
Merritt 72 X 34.5 Inch Diamond Plate Aluminum Deck Cover W/ Stiffeners
MERRITT
$698.9972 X 34.5 Inch Diamond Plate Deck Cover By MerrittGive your truck a durable, professional upgrade with the Merritt Diamond Plate Aluminum Deck Cover with Stiffeners. Made from premium aluminum, the...159- SKU:
- 159
- Length Options:
- 72 Inch
- Width Options:
- 34 Inch
- Location:
- Made In USA
- Material Options:
- Aluminum
- Finish Options:
- Diamond Plate
- Product Type:
- Frame & Chassis
- Make:
- Universal Items
- Ready To Ship:
- Yes
$698.99Qty in Cart: 0Price:$698.99Subtotal: -
TPHD 66 Inch Stainless Steel 3 Rib Full Radius Fender W/ 2 Inch Flange
TPHD
$448.9966 Inch Full Radius Fender W/ 2 Inch Flange By TPHDThe TPHD 66 Inch Stainless Steel 3 Rib Full Radius Fender with 2 Inch Flange delivers reliable wheel protection and professional-grade style. Built...09-110301012- SKU:
- 09-110301012
- Material Options:
- Stainless Steel
- Product Type:
- Exterior
- Size Options:
- 16 Gauge
- Make:
- Universal Items
$448.99Qty in Cart: 0Price:$448.99Subtotal: -
FREE SHIPPING OVER $249
New Car Air Freshener- 8 Oz
AFTERMARKET
$8.998 Ounce Air Freshener- New Car ScentEnjoy the signature smell of a brand-new vehicle every time you drive with the New Car Air Freshener. This high-quality air freshener is formulated to eliminate...09-17070086- SKU:
- 09-17070086
- Product Type:
- Polishing
- Make:
- Universal Items
- Ready To Ship:
- Yes
$8.99Qty in Cart: 0Price:$8.99Subtotal: -
5Th Wheel Slider Retro Fit Kit
OPP - ORIGINAL PARTS PROGRAM
$1,105.995Th Wheel Slider KitKeep your fifth wheel sliding smoothly with the 5th Wheel Slider Retro Fit Kit, built for durability and reliability. Features include no-tilt shaft with handle, left and right...09-051100931- SKU:
- 09-051100931
- Product Type:
- Frame & Chassis
- Make:
- Universal Items
- Ready To Ship:
- Yes
$1,105.99Qty in Cart: 0Price:$1,105.99Subtotal: -
Bead It Up Plus Drying Agent- 5 Gallon
AFTERMARKET
$92.995 Gallon Bead It Up Plus Drying AgentKeep vehicles looking pristine with Bead It Up Plus Drying Agent. Engineered for automatic carwashes, it provides high-quality water beading, surface durability,...09-1703139- SKU:
- 09-1703139
- Product Type:
- Polishing
- Capacity:
- 5 Gallons
- Make:
- Universal Items
$92.99Qty in Cart: 0Price:$92.99Subtotal: -
Supreme All-In-One Cleaner- 1 Gallon
AFTERMARKET
$127.161 Gallon Supreme All-In-One CleanerRestore shine and protect surfaces with the Supreme All-In-One Cleaner, a multi-functional polish and sealant designed for trucks and commercial vehicles. Perfect...09-1700010- SKU:
- 09-1700010
- Capacity:
- 1 Gallon
- Product Type:
- Polishing
- Make:
- Universal Items
- Ready To Ship:
- Yes
$127.16Qty in Cart: 0Price:$127.16Subtotal: -
Hardware Kit For Seat Base Adaptor For Kenworth
IOWA CUSTOMS
$40.79Kenworth Seat Base Adaptor Hardware KitAchieve precise installation with the Hardware Kit for Seat Base Adaptor for Kenworth. This high-quality kit provides all the necessary components for mounting...09-192069- SKU:
- 09-192069
- Product Type:
- Seats
- Make:
- Universal Items
$40.79Qty in Cart: 0Price:$40.79Subtotal: -
30 Gallon Aluminum Hydraulic Tank W/ 4- 2 Inch NTP Filling Ports, Mounting Tray & Spring Kit
ICONIC
$2,453.9930 Gallon Hydraulic Tank Fits Between The Legs Of 76 Inch Iconic Headache RackUpgrade your hydraulic setup with the 30 Gallon Aluminum Hydraulic Tank, designed for precision fit and long-term...09-02500258- SKU:
- 09-02500258
- Capacity:
- 30 Gallons
- Product Type:
- Cargo Control
- Make:
- Universal Items
$2,453.99Qty in Cart: 0Price:$2,453.99Subtotal: -
On SaleLimited Quantity Available
Black Glacier Air Freshener- 1 Gallon
AFTERMARKET
Now: $16.81Was: $37.831 Gallon Air Freshener- Black Glacier ScentSay goodbye to cab odors with the Black Glacier Air Freshener, formulated for powerful odor elimination. The Black Glacier fragrance provides a clean, crisp...09-1703154- SKU:
- 09-1703154
- Product Type:
- Polishing
- Make:
- Universal Items
- Ready To Ship:
- Yes
Now: $16.81Was: $37.83Qty in Cart: 0Price:Now: $16.81Was: $37.83Subtotal: -
Oval Glo LED Light W/ Bezel- Amber LEDs/Clear Lens
ROADWORKS
$46.042 Diode Oval Glo LED Light W/ Bezel- Amber LEDs/Clear LensLight up the road with the Oval Glo LED Light with Bezel, built for both performance and durability. Its amber LEDs behind a clear lens...09-1601011240- SKU:
- 09-1601011240
- Product Type:
- Lighting
- Shape Options:
- Oval
- Color:
- Amber/Clear
- Style Options:
- Bullet
- Location:
- Made In USA
- Make:
- Universal Items
$46.04Qty in Cart: 0Price:$46.04Subtotal: -
Brunner Aluminum Cab Rack W/ Tapered Sides 80 X 62 X 12-6 Inch
BRUNNER FABRICATION
$5,636.99Aluminum Cab Rack W/ Tapered Sides 80 X 62 X 12-6 Inch By BrunnerWhen your cab rack needs to work as hard as your truck, the Brunner 80 x 62 Inch Aluminum Cab Rack with Center Window and Stainless...09-021300020- SKU:
- 09-021300020
- Length Options:
- 6 Inch
- Style Options:
- Tapered
- Light Options:
- Without Lights
- Width Options:
- 80 Inch
- Material Options:
- Stainless Steel
- Height Options:
- 62 Inch
- Product Type:
- Cargo Control
- Make:
- Universal Items
$5,636.99Qty in Cart: 0Price:$5,636.99Subtotal: -
Knoedler 1 Inch Low Base Adapter 1.250 Inches Shorter Than Standard Base
KNOEDLER
$74.991 Inch Low Base AdapterEnhance your truck driving experience with the Knoedler 1 Inch Low Base Adapter. Crafted for low-riding Knoedler seats, it lowers the seat by 1.250 inches to improve ergonomics...09-192065- SKU:
- 09-192065
- Product Type:
- Seats
- Make:
- Universal Items
$74.99Qty in Cart: 0Price:$74.99Subtotal: -
3 Inch Diameter Cone Polishing Pad
AFTERMARKET
$11.23Cone Polishing Pad- 3 InchTake your truck detailing and restoration to the next level with the 3 Inch Diameter Cone Polishing Pad, engineered for precision polishing in challenging areas. Its...09-1701131- SKU:
- 09-1701131
- Material Options:
- Cotton
- Product Type:
- Polishing
- Make:
- Universal Items
$11.23Qty in Cart: 0Price:$11.23Subtotal: -
TPHD 80 Inch Stainless Steel Single Axle Fender W/ 1.5 Inch Flange
TPHD
$593.9980 Inch Single Axle Fender W/ 1.5 Inch Flange By TPHDDrive with confidence knowing your trailer is equipped with the TPHD 80 Inch Stainless Steel Single Axle Fender, engineered for robust wheel...09-110301016- SKU:
- 09-110301016
- Length Options:
- 80 Inch
- Style Options:
- Flanged
- Material Options:
- Stainless Steel
- Product Type:
- Exterior
- Size Options:
- 16 Gauge
- Make:
- Universal Items
$593.99Qty in Cart: 0Price:$593.99Subtotal: -
16 X 1.92 X 6 Inch Smooth Aluminum Light Box W/ 2 Round 4 Inch Light Holes
ICONIC
$129.9916 X 1.92 X 6 Inch Light Box W/ 2 Round Light HolesBuilt for heavy-duty use and clean installation, this 16 x 1.92 x 6 Inch Smooth Aluminum Light Box with Dual 4 Inch Light Holes provides a durable...09-02100039- SKU:
- 09-02100039
- Product Type:
- Cargo Control
- Height Options:
- 2 Inch
- Length Options:
- 6 Inch
- Width Options:
- 16 Inch
- Light Options:
- Without Lights
- Finish Options:
- Smooth
- Material Options:
- Aluminum
- Make:
- Universal Items
$129.99Qty in Cart: 0Price:$129.99Subtotal:
